blob: bd9dd4c46b27e74fbb14ad828178ad9a8fb1fea9 [file] [log] [blame]
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "content/public/browser/resource_throttle.h"
namespace net {
struct RedirectInfo;
class URLRequest;
namespace extensions {
class ExtensionThrottleEntryInterface;
class ExtensionThrottleManager;
// This class monitors requests issued by extensions and throttles the request
// if there are too many requests made within a short time to urls with the same
// scheme, host, port and path. For the exact criteria for throttling, please
// also see
class ExtensionRequestLimitingThrottle : public content::ResourceThrottle {
ExtensionRequestLimitingThrottle(const net::URLRequest* request,
ExtensionThrottleManager* manager);
~ExtensionRequestLimitingThrottle() override;
// content::ResourceThrottle implementation (called on IO thread):
void WillStartRequest(bool* defer) override;
void WillRedirectRequest(const net::RedirectInfo& redirect_info,
bool* defer) override;
void WillProcessResponse(bool* defer) override;
const char* GetNameForLogging() const override;
const net::URLRequest* request_;
ExtensionThrottleManager* manager_;
// This is used to supervise traffic and enforce exponential back-off.
scoped_refptr<ExtensionThrottleEntryInterface> throttling_entry_;
} // namespace extensions